P0726 Acura Engine Speed Input Circuit Range/Performance

P0726 Acura Engine Speed Input Circuit Range/Performance

Possible causes
– Faulty Crankshaft Position (CKP) Sensor
– Crankshaft Position (CKP) Sensor harness is open or shorted
– Crankshaft Position (CKP) Sensor circuit poor electrical connection
– Communication error between the Engine Control Module (ECM) and Transmission Control Module (TCM)
What about the obd code?
The P0726 Acura Codes is triggered when the TCM detected that the calculated engine speed is greater than the RPM’s received from ECM.
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P0726 Acura Description

The Engine Control Module (ECM) monitors the engine speed through the Crankshaft Position (CKP) sensor with the engine running, and send signal to the Transmission Control Module (TCM).

Acura Vehicle:

Acura ILX, Acura MDX, Acura RDX, Acura RLX, Acura TL, Acura TSX, Acura ZDX, Acura CSX, Acura EL, Acura Integra, Acura RSX, Acura Legend, Acura Vigor, Acura CL, Acura SLX, Acura NSX, Acura RL, Acura ZDX